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<div class="title">connection-manager.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * This file is part of signon</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2013 Canonical Ltd.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * Contact: Alberto Mardegan <alberto.mardegan@canonical.com></span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * modify it under the terms of the GNU Lesser General Public License</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> * version 2.1 as published by the Free Software Foundation.</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * This library is distributed in the hope that it will be useful, but</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> * Lesser General Public License for more details.</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * You should have received a copy of the GNU Lesser General Public</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * License along with this library; if not, write to the Free Software</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> * 02110-1301 USA</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> </div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "connection-manager.h"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "libsignoncommon.h"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> <span class="preprocessor">#include "signond/signoncommon.h"</span></div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> </div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> <span class="preprocessor">#include <QDBusConnectionInterface></span></div>
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span> <span class="preprocessor">#include <QDBusError></span></div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span> <span class="preprocessor">#include <QDBusPendingCallWatcher></span></div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span> <span class="preprocessor">#include <QPointer></span></div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include <QProcessEnvironment></span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor"></span><span class="preprocessor">#include <QStandardPaths></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span> <span class="preprocessor"></span></div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> <span class="keyword">using namespace </span>SignOn;</div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="keyword">static</span> QPointer<ConnectionManager> connectionInstance = 0;</div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> </div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> ConnectionManager::ConnectionManager(QObject *parent):</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  QObject(parent),</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  m_connection(QLatin1String(<span class="stringliteral">"libsignon-qt-invalid"</span>)),</div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  m_serviceStatus(ServiceStatusUnknown)</div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> {</div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keywordflow">if</span> (connectionInstance == 0) {</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  init();</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  connectionInstance = <span class="keyword">this</span>;</div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  BLAME() << <span class="stringliteral">"SignOn::ConnectionManager instantiated more than once!"</span>;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  }</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span> }</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> ConnectionManager::~ConnectionManager()</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> {</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> }</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span> <a class="code" href="classSignOn_1_1ConnectionManager.html">ConnectionManager</a> *ConnectionManager::instance()</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> {</div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <span class="keywordflow">if</span> (connectionInstance == 0) {</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  connectionInstance = <span class="keyword">new</span> <a class="code" href="classSignOn_1_1ConnectionManager.html">ConnectionManager</a>;</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  }</div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">return</span> connectionInstance;</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span> }</div>
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span> <span class="keywordtype">void</span> ConnectionManager::connect()</div>
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span> {</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> (m_connection.isConnected()) {</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  Q_EMIT connected(m_connection);</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span>  init();</div>
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span>  }</div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span> }</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span> <span class="keywordtype">bool</span> ConnectionManager::hasConnection()<span class="keyword"> const</span></div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span> <span class="keyword"></span>{</div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <span class="keywordflow">return</span> m_connection.isConnected();</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> }</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span> </div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span> ConnectionManager::SocketConnectionStatus</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> ConnectionManager::setupSocketConnection()</div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span> {</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  QProcessEnvironment environment = QProcessEnvironment::systemEnvironment();</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  QLatin1String one(<span class="stringliteral">"1"</span>);</div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">if</span> (environment.value(QLatin1String(<span class="stringliteral">"SSO_USE_PEER_BUS"</span>), one) != one) {</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  <span class="keywordflow">return</span> SocketConnectionUnavailable;</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  }</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span> </div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> <span class="preprocessor">#if QT_VERSION >= QT_VERSION_CHECK(5, 0, 0)</span></div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="preprocessor"></span> QString runtimeDir =</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  QStandardPaths::writableLocation(QStandardPaths::RuntimeLocation);</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> <span class="preprocessor">#else</span></div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> <span class="preprocessor"></span> QString runtimeDir = environment.value(QLatin1String(<span class="stringliteral">"XDG_RUNTIME_DIR"</span>));</div>
<div class="line"><a name="l00093"></a><span class="lineno"> 93</span> <span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span> <span class="preprocessor"></span> <span class="keywordflow">if</span> (runtimeDir.isEmpty()) <span class="keywordflow">return</span> SocketConnectionUnavailable;</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  QString socketFileName =</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  QString::fromLatin1(<span class="stringliteral">"unix:path=%1/"</span> SIGNOND_SOCKET_FILENAME).arg(runtimeDir);</div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keyword">static</span> <span class="keywordtype">int</span> count = 0;</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  QDBusConnection connection =</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  QDBusConnection::connectToPeer(socketFileName,</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  QString(QLatin1String(<span class="stringliteral">"libsignon-qt%1"</span>)).arg(count++));</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keywordflow">if</span> (!connection.isConnected()) {</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  QDBusError error = connection.lastError();</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  QString name = error.name();</div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  BLAME() << <span class="stringliteral">"p2p error:"</span> << error << error.type();</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  <span class="keywordflow">if</span> (name == QLatin1String(<span class="stringliteral">"org.freedesktop.DBus.Error.FileNotFound"</span>) &&</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  m_serviceStatus != ServiceActivated) {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordflow">return</span> SocketConnectionNoService;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">return</span> SocketConnectionUnavailable;</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  }</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  }</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span> </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  m_connection = connection;</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  m_connection.connect(QString(),</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  QLatin1String(<span class="stringliteral">"/org/freedesktop/DBus/Local"</span>),</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  QLatin1String(<span class="stringliteral">"org.freedesktop.DBus.Local"</span>),</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  QLatin1String(<span class="stringliteral">"Disconnected"</span>),</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  <span class="keyword">this</span>, SLOT(onDisconnected()));</div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span> </div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">return</span> SocketConnectionOk;</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span> }</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> </div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> <span class="keywordtype">void</span> ConnectionManager::init()</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordflow">if</span> (m_serviceStatus == ServiceActivating) <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span> </div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  SocketConnectionStatus status = setupSocketConnection();</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span> </div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordflow">if</span> (status == SocketConnectionNoService) {</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  TRACE() << <span class="stringliteral">"Peer connection unavailable, activating service"</span>;</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  QDBusConnectionInterface *<span class="keyword">interface </span>=</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  QDBusConnection::sessionBus().interface();</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  QDBusPendingCall call =</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  interface->asyncCall(QLatin1String(<span class="stringliteral">"StartServiceByName"</span>),</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  SIGNOND_SERVICE, uint(0));</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  m_serviceStatus = ServiceActivating;</div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  QDBusPendingCallWatcher *watcher =</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  <span class="keyword">new</span> QDBusPendingCallWatcher(call, <span class="keyword">this</span>);</div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  QObject::connect(watcher,</div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  SIGNAL(finished(QDBusPendingCallWatcher*)),</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  <span class="keyword">this</span>,</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span>  SLOT(onActivationDone(QDBusPendingCallWatcher*)));</div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span>  } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (status == SocketConnectionUnavailable) {</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  m_connection = SIGNOND_BUS;</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  }</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <span class="keywordflow">if</span> (m_connection.isConnected()) {</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  TRACE() << <span class="stringliteral">"Connected to"</span> << m_connection.name();</div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  Q_EMIT connected(m_connection);</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  }</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span> }</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> </div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> <span class="keywordtype">void</span> ConnectionManager::onActivationDone(QDBusPendingCallWatcher *watcher)</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span> {</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  QDBusPendingReply<> reply(*watcher);</div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  watcher->deleteLater();</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span> </div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordflow">if</span> (!reply.isError()) {</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  m_serviceStatus = ServiceActivated;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="comment">/* Attempt to connect again */</span></div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  init();</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  BLAME() << reply.error();</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> }</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> </div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> <span class="keywordtype">void</span> ConnectionManager::onDisconnected()</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span> {</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  TRACE() << <span class="stringliteral">"Disconnected from daemon"</span>;</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  m_serviceStatus = ServiceStatusUnknown;</div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  Q_EMIT disconnected();</div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span> }</div>
<div class="ttc" id="classSignOn_1_1ConnectionManager_html"><div class="ttname"><a href="classSignOn_1_1ConnectionManager.html">SignOn::ConnectionManager</a></div><div class="ttdef"><b>Definition:</b> <a href="connection-manager_8h_source.html#l00033">connection-manager.h:33</a></div></div>
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